[ 11.623460] zram: Added device: zram0[ 14.956008] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 14.956030] #PF: supervisor read access in kernel mode [ 14.956042] #PF: error_code(0x0000) - not-present page [ 14.956053] PGD 0 P4D 0 [ 14.956062] Oops: 0000 [#1] PREEMPT SMP NOPTI[ 14.956074] CPU: 0 PID: 744 Comm: zramctl Not tainted 6.1.0-29-amd64 #1 Debian 6.1.123-1 [ 14.956090] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.24006586.B64.2406042154 06/04/2024
[ 14.956107] RIP: 0010:zcomp_cpu_dead+0x8/0x60 [zram][ 14.956124] Code: f3 31 c0 48 c7 c7 10 67 df c0 48 89 43 08 48 89 03 e8 40 0d a0 f3 ba f4 ff ff ff eb bb 0f 1f 44 00 00 0f 1f 44 00 00 89 ff 53 <48> 8b 5e f0 48 03 1c fd 60 6b 21 b5 48 8b 7b 08 48 85 ff 74 11 48
[ 14.956151] RSP: 0018:ffffa59480b9fbc8 EFLAGS: 00010246[ 14.956163] RAX: ffffffffc0df2270 RBX: 0000000000000000 RCX: ffffffffb584ea80 [ 14.956176] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000000 [ 14.956188] RBP: 0000000000000044 R08: 0000000000000000 R09: 000000000000000a [ 14.956201] R10: ffff912235e20080 R11: 0fffffffffffffff R12: 0000000000000010 [ 14.956215] R13: ffff912235e20080 R14: ffffffffc0df2270 R15: 0000000000000000 [ 14.956228] FS: 00007f32516ed740(0000) GS:ffff912235e00000(0000) knlGS:0000000000000000
[ 14.956243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 14.956255] CR2: 0000000000000000 CR3: 00000001042b4000 CR4: 0000000000750ef0
[ 14.956285] PKRU: 55555554 [ 14.956294] Call Trace: [ 14.956303] <TASK> [ 14.956311] ? __die_body.cold+0x1a/0x1f [ 14.956326] ? page_fault_oops+0xd2/0x2b0 [ 14.956339] ? mntput_no_expire+0x4a/0x250 [ 14.956353] ? exc_page_fault+0x70/0x170 [ 14.956366] ? asm_exc_page_fault+0x22/0x30 [ 14.956377] ? zcomp_cpu_up_prepare+0xa0/0xa0 [zram] [ 14.956392] ? zcomp_cpu_up_prepare+0xa0/0xa0 [zram] [ 14.956408] ? zcomp_cpu_dead+0x8/0x60 [zram] [ 14.956421] ? srso_alias_return_thunk+0x5/0x7f [ 14.956434] cpuhp_invoke_callback+0x9e/0x460 [ 14.956448] cpuhp_issue_call+0x101/0x170 [ 14.956459] __cpuhp_state_remove_instance+0xd5/0x190 [ 14.956805] zcomp_destroy+0x1c/0x30 [zram] [ 14.957127] zram_reset_device+0x121/0x1a0 [zram] [ 14.957440] reset_store+0xa4/0x100 [zram] [ 14.957749] kernfs_fop_write_iter+0x11e/0x1f0 [ 14.958064] vfs_write+0x235/0x3f0 [ 14.958367] ksys_write+0x6b/0xf0 [ 14.958663] do_syscall_64+0x55/0xb0 [ 14.958959] ? srso_alias_return_thunk+0x5/0x7f [ 14.959271] ? handle_mm_fault+0xdb/0x2d0 [ 14.959576] ? srso_alias_return_thunk+0x5/0x7f [ 14.959874] ? do_user_addr_fault+0x1b0/0x550 [ 14.960164] ? srso_alias_return_thunk+0x5/0x7f [ 14.960446] ? exit_to_user_mode_prepare+0x40/0x1e0 [ 14.960730] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ 14.961011] RIP: 0033:0x7f32517e82c0[ 14.961292] Code: 40 00 48 8b 15 41 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 21 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 14.961891] RSP: 002b:00007ffdc4f73af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 14.962199] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f32517e82c0 [ 14.962508] RDX: 0000000000000001 RSI: 00007ffdc4f73b10 RDI: 0000000000000004 [ 14.962833] RBP: 00007f32516ed6b8 R08: 0000000000000000 R09: 0000000000000075 [ 14.963140] R10: 00007ffdc4f73847 R11: 0000000000000202 R12: 0000000000000004 [ 14.963442] R13: 00007ffdc4f73b10 R14: 000055b5bee86600 R15: 0000000000000002
[ 14.963750] </TASK>[ 14.964032] Modules linked in: zram zsmalloc vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock binfmt_misc nls_ascii nls_cp437 vfat fat intel_rapl_msr intel_rapl_common ghash_clmulni_intel sha512_ssse3 sha512_generic sha256_ssse3 sha1_ssse3 snd_ens1371 snd_ac97_codec ac97_bus gameport snd_rawmidi snd_seq_device vmw_balloon aesni_intel snd_pcm vmwgfx crypto_simd cryptd snd_timer drm_ttm_helper pcspkr snd ttm drm_kms_helper vmw_vmci soundcore ac button evdev joydev sg serio_raw drm loop dm_mod fuse efi_pstore configfs efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic sd_mod t10_pi crc64_rocksoft crc64 crc_t10dif crct10dif_generic hid_generic usbhid hid sr_mod cdrom ata_generic ata_piix mptspi mptscsih ahci mptbase libahci uhci_hcd ehci_pci scsi_transport_spi crct10dif_pclmul xhci_pci crct10dif_common libata xhci_hcd crc32_pclmul ehci_hcd crc32c_intel psmouse usbcore e1000 scsi_mod usb_common i2c_piix4 scsi_common
[ 14.966356] CR2: 0000000000000000 [ 14.966682] ---[ end trace 0000000000000000 ]--- [ 15.001320] RIP: 0010:zcomp_cpu_dead+0x8/0x60 [zram][ 15.001917] Code: f3 31 c0 48 c7 c7 10 67 df c0 48 89 43 08 48 89 03 e8 40 0d a0 f3 ba f4 ff ff ff eb bb 0f 1f 44 00 00 0f 1f 44 00 00 89 ff 53 <48> 8b 5e f0 48 03 1c fd 60 6b 21 b5 48 8b 7b 08 48 85 ff 74 11 48
[ 15.002915] RSP: 0018:ffffa59480b9fbc8 EFLAGS: 00010246[ 15.003270] RAX: ffffffffc0df2270 RBX: 0000000000000000 RCX: ffffffffb584ea80 [ 15.003623] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000000 [ 15.003977] RBP: 0000000000000044 R08: 0000000000000000 R09: 000000000000000a [ 15.004333] R10: ffff912235e20080 R11: 0fffffffffffffff R12: 0000000000000010 [ 15.004687] R13: ffff912235e20080 R14: ffffffffc0df2270 R15: 0000000000000000 [ 15.005043] FS: 00007f32516ed740(0000) GS:ffff912235e00000(0000) knlGS:0000000000000000
[ 15.005407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 15.005772] CR2: 0000000000000000 CR3: 00000001042b4000 CR4: 0000000000750ef0
[ 15.006180] PKRU: 55555554 [ 15.006552] note: zramctl[744] exited with irqs disabled
OpenPGP_0x96FB55A7651D15B6.asc
Description: OpenPGP public key
OpenPGP_signature.asc
Description: OpenPGP digital signature
